Denver Sessink
Website Specialist (freelance) at DS Internet
Dinxperlo, Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolDenver Sessink is a seasoned website specialist and full‑stack developer with 13+ years of experience building and consulting on web applications, CMS implementations and mobile-first front-ends. He blends hands-on expertise across modern front-end frameworks (React, Vue, SASS, Bootstrap), PHP back-ends (Laravel, Zend, CodeIgniter) and robust testing/CI practices with proven leadership managing teams and projects. A pragmatic UX- and SEO-minded engineer, he’s delivered custom WordPress, ExpressionEngine and TYPO3 solutions and advised on processes, automation and tooling as a freelance consultant and former manager of ~20 developers. An active open-source contributor, he improved functionality and test coverage in Spatie’s PHP crawler by adding robots.txt and user-agent handling, demonstrating an emphasis on maintainability and quality. Based in the Netherlands, he describes himself as “manager by day, coder by night,” combining strategic oversight with continued hands-on coding and mentoring.
13 years of coding experience
15 years of employment as a software developer
Applicatieontwikkelaar MBO 4, Cum laude afgestudeerd (10), Applicatieontwikkelaar MBO 4, Cum laude afgestudeerd (10) at Graafschap CollegeBachelor's degree, Informatica, Cum laude afgestudeerd (9), Bachelor's degree, Informatica, Cum laude afgestudeerd (9) at Hogeschool van Arnhem en Nijmegen
Dutch, English, German
Stackoverflow
51reputation
2kreached
1answer
0questions
Github Skills (9)
crawler10
unit-testing10
php10
guzzle10
testing10
phpunit9
concurrency8
structures6
expressionengine6
Programming languages (5)
Github contributions (5)
spatie/crawler
Jul 2019 - Jul 2019
An easy to use, powerful crawler implemented in PHP. Can execute Javascript.
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:9 commits, 1 PR, 2 comments in 13 days
Contributions summary:Denver primarily focused on enhancing the `spatie/crawler` repository by adding and improving the crawler's functionality. Key contributions include implementing a custom user agent setting, enabling compliance with robots.txt rules. The user also added unit tests to verify the new functionalities and configured the testing environment, showcasing a strong focus on code quality and testing. Further modifications involved refining how the crawler interacts with user agent settings, using the Client object as a single source of truth, and fixing minor typos to improve maintainability.
concurrencyguzzlephpjavascriptcrawler
denvers/bank-parser
Jul 2015 - Jul 2017
Contributions:5 commits, 3 pushes, 1 branch in 2 years
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